<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../react18/react.development.js"></script>
    <script src="../react18/react-dom.development.js"></script>
    <script src="../react18/babel.min.js"></script>

</head>

<body>
    <button id="btn">修改vDOM 并重新渲染</button>
    <div id="app"></div>
    <script type="text/babel">
        let Content = "真np"

        const vDOM = (
            <div>
                <h1>diffing算法</h1>
                <p>p标签</p>
            </div>
        );

        const root = ReactDOM.createRoot(document.getElementById('app'))
        root.render(vDOM)

        //绑定点击事件 修改vDOM 重新渲染
        const oBtn = document.getElementById("btn")
        oBtn.onclick = function () {
            Content = "超级NB"

            const vDOM = (
                <div>
                    <h1>diffing算法</h1>
                    <p>{Content}</p>
                </div>
            )

            root.render(vDOM)
        }
    </script>
</body>

</html>